Sequence Program Used For Positioning Control; Precautions For Creating Program - Mitsubishi Electric MELSECQ Series User Manual

7 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL

CHAPTER 7 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL

7.1 Precautions for creating program

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This chapter describes sequence programs of the positioning control system using the
QD70.
(1) System configuration
Unless otherwise specified in this section and later, the sequence programs
shown are those for the following system.
Refer to Section 7.2 for the applications of the devices used.
(2) Communication with QD70
There are two methods for communication with QD70 using the sequence
program: a method using an "intelligent function device" and a method using a
FROM/TO command.
When using the FROM/TO command for communication with QD70, change the
circuit incorporating the "intelligent function device" as follows.
(a) When the circuit uses the "intelligent function device" on the destination (D)
side of a MOV command, change the command to a TO command.
X21
0
X21
0
(b) When the circuit uses the "intelligent function device" on the source(s) side
and the destination (D) side of a MOV command, change the command to a
FROM command and a TO command.
X15 X0C
X15 X0C
search engine
Q Q Q
power
C D X
supply
P 7 1
module
U 0 0
TOP H0
Designated
value
at U0
FROMP H0 K79
TOP H6 K1
Intelligent function device
U0\
MOVP K1
G50
K50 K1 K1
Designated
Number of
value
write data (1)
at G50
U0\ U6\
MOVP
G79 G1
Set the same
device.
D100 K1
D100 K1
MELSEC-Q
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